It'slate afternoon, and I’m at a public driving range watching Nick Jonas smash golf balls by the bucket. We’re outside Portland, OR, in the US, where tonight he’ll be playing for a sold-out crowd at the giant Moda Center alongside pop megastar Demi Lovato. But for now, gripping his driver in his hands, he’s all about golf and nothing else. Each time he tees up a ball, he squares up to it with steady, McIlroy-esque cool, then… ping! 230 metres. Seconds later: Ping! Another 230 metres. As time wears on, the titanium-to-Titleist collisions get louder, harder, pingier, but Jonas’ focus doesn’t waver. Which is all the more impressive when you notice the people crowding near him — mostly young females who have just discovered who that guy is, over there,…